Part of Biology (Single Science) Cells, organ systems and ecosystems The blood on the right side of the heart is deoxygenated. It has been around the body and supplied the cells with oxygen carried by ...

All the blood vessels in the human body lined up end-to-end would stretch about 100,000 kilometers. That's about two and a half times the earth's circumference. The arteries carry oxygenated blood ...

Background: Porcine genome editing has revolutionized xenotransplantation, recently enabling the first pig-to-human heart xenotransplants. However, the xeno-immune response in heart xenografts remains ...